For all of you that think online glasses are something new, check out ebay item
260852952559
260852952559
Self-Test Optometer OPTOMETRIC INSTRUMENTS Optometer C. G. Optical Co. North America: USA, Illinois, Chicago Early 20th c. Cardboard; wood; glass Overall: 205 mm x 340 mm x 150 mm |
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Optometer. Dark brown paper-covered cardboard construction. Wooden arm with fold-down handle/lens disc and target holder, each attached by a brass hinge. Disc contains fourteen lens apertures, marked 20-33 (no 22 is empty). Printed paper test target pasted to cardboard holder, with printed instructions below. |
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